FIG. 2 in A Revision of Solanum Section Gonatotrichum

FIG. 2. Scanning electron micrographs of seeds in section Gonatotrichum. All seeds were treated with 1% cellulase for 24 hr and dried prior to imaging. A. Solanum olympicum; note the raised ridges radiating from the center to the margins (Bohs 3194, UT). B. S. adscendens; note the raised ridges (Leite 658, NY) C. S. deflexum; note the swollen margin and large notch (Nee 51716, UT). D. Solanum turneroides (Bohs 2715, UT). Scale bars = 2 mm.